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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 51V SOT-23-3
- Series：DZ23-G
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Cathode
- Voltage - Zener (Nom) (Vz)：51 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：100 Ohms
- Current - Reverse Leakage @ Vr：100 nA @ 38 V
- Operating Temperature：-55°C ~ 150°C
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：SOT-23-3
- Voltage - Forward (Vf) (Max) @ If：-
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Overview
The DZ23C51-G3-08 is a dual common cathode silicon planar Zener diode array from the Vishay DZ23-G series, housed in an SOT-23 package. It features two independent Zener elements with a nominal voltage of 51 V and a tolerance of ±5 %. The device operates at a test current of 2 mA and supports a maximum power dissipation of 300 mW on an FR-4 board. It provides high ESD protection exceeding 8 kV (HBM) and 800 V (MM), ensuring robust performance across an operating temperature range of -55 °C to +150 °C.
Feature Summary
- Dual common cathode configuration integrating two independent Zener elements within a single compact SOT-23 footprint.
- High electrostatic discharge resilience meeting AEC-Q101 standards for human body model and machine model testing.
- Commercial grade construction utilizing green materials compliant with RoHS directives.
Applications
- Voltage reference circuits requiring dual stable potential levels
- Transient voltage suppression in low-power signal lines
- Over-voltage protection for sensitive semiconductor inputs
Procurement Notes
Verify the specific suffix against official documentation to confirm reel size and minimum order quantity requirements. Confirm that the commercial grade designation aligns with project material specifications. Ensure the ordering code matches the exact voltage tolerance and packaging format required for the intended assembly process.
Selection Notes
Select this component when a dual-channel voltage regulation solution is needed in a minimal surface-mount footprint. The 51 V nominal rating suits applications requiring precise mid-range reference potentials. Verify that the 300 mW thermal dissipation limit accommodates the expected continuous load conditions on the target PCB layout.
Part Context
This part belongs to the DZ23-G series of small signal Zener diodes manufactured by Vishay Semiconductors. The series offers a wide range of graded voltages from 2.2 V to 75 V, all sharing identical physical dimensions and electrical characteristics profiles. The G3 suffix indicates compliance with environmental standards for restricted hazardous substances.
Replacement Considerations
Direct substitutes include other DZ23C51 variants such as DZ23C51-E3-18 or DZ23C51-G3-18, which share the same electrical parameters but differ in tape and reel packaging quantities.
FAQ
What is the dynamic resistance of the DZ23C51-G3-08?
The dynamic resistance (ZZT) at the test current of 2 mA is specified as a maximum of 100 Ohms.
Does the DZ23C51-G3-08 have AEC-Q101 qualification?
No, the standard DZ23-G3 parts are not AEC-Q101 qualified; automotive-grade versions are available upon request directly from the manufacturer.
What is the reverse leakage current specification?
The maximum reverse leakage current is 50 µA when measured at a reverse voltage of 38 V.
